<script lang="ts" setup>
import {ref , watch , onMounted} from 'vue'
import  type {SearchEmpModel, EmpExprModel, EmpModel, EmpModelArray, DeptModelArray, LoginInfo} from '@/api/model/model'
import {queryEmpList, addEmp, getEmpById, updateEmp, deleteEmpByIds} from '@/api/emp/index'
import {queryDeptList} from '@/api/dept/index'
import type { UploadProps , FormInstance, FormRules} from 'element-plus'
import {ElMessage, ElMessageBox} from 'element-plus'

// 获取token
import {useLoginEmpStore} from '@/stores/loginEmp'
const loginEmpStore = useLoginEmpStore();
const loginInfo = ref<LoginInfo>(loginEmpStore.getLoginInfo());

// 页面顶部的搜索
const searchForm = ref<SearchEmpModel>({
    name:'',
    gender:'',
    date:[],
    begin:'',
    end:''
})

onMounted(()=>{
    // 查询员工列表
    query();
    // 查询所有的部门，给弹框中的部门下拉列表用
    queryDepts();
});

const query = async ()=>{
    // console.log("query param:", searchForm.value);
    const res = await queryEmpList(searchForm.value.name,searchForm.value.gender,searchForm.value.begin, searchForm.value.end,currentPage.value, pageSize.value);
    empList.value = res.data.rows
    total.value = res.data.total
}

const queryDepts = async ()=>{
    const res = await queryDeptList();
    deptList.value = res.data;
}

const jobList = [{id:1, name:"班主任"},{id:2, name:"讲师"},{id:3, name:"学工主管"},
{id:4, name:"教研主管"},{id:5, name:"咨询师"},{id:6, name:"其他"}]
const genderList = [{id:1, name:"男"},{id:2, name:"女"},{id:3, name:"其他"}]


const clear = ()=>{
    searchForm.value = {name:'',gender:'',date:[], begin:'',end:''}
}

// 把日期选择框中的2个日期赋值给begin和end，方便使用
watch(()=>searchForm.value.date, (newValue, oldValue)=>{
    // console.log(newValue);
    if(newValue && newValue.length > 0){
        searchForm.value.begin = newValue[0];
        searchForm.value.end = newValue[1];
    }else{
        searchForm.value.begin = '';
        searchForm.value.end = '';
    }
});

// 页面主体的数据列表
const empList = ref<EmpModelArray>();
// 分页的数据
const currentPage=ref<number>(1)
const pageSize = ref<number>(5);
const total = ref<number>(0);
const handleSizeChange = ()=>{
    query();
}
const handleCurrentChange = ()=>{
    query();
}
// dialog弹框
const dialogFormVisible = ref<boolean>(false)
const deptList = ref<DeptModelArray>()
const dialogTitle = ref<string>('')
const insertOrUpdateForm = ref<EmpModel>({
    username:'',
    name:'',
    gender:'',
    phone:'',
    salary:'',
    entryDate:'',
    deptId:'',
    job:'',
    exprList:[]
});

const formLabelWidth = "80px";
// 新增
const openAddDialog = ()=>{
    dialogFormVisible.value=true;
    dialogTitle.value="新增员工";
}
// 更新
const handleEdit = async (idx:number, row:EmpModel)=>{
    // 展示弹框
    dialogFormVisible.value=true;
    dialogTitle.value="修改员工";
    // 回显查询，参数是id
    const res = await getEmpById(row.id!);
    insertOrUpdateForm.value = res.data;
    // 数据类型不一致导致select无法选中
    insertOrUpdateForm.value.gender=''+insertOrUpdateForm.value.gender
    console.log(insertOrUpdateForm.value);
    // 特殊处理一下工作经历中的时间
    const exprList = insertOrUpdateForm.value.exprList;
    if(!exprList || exprList.length <= 0){
        return;
    }
    exprList.forEach((expr)=>{
        expr.exprDate = [expr.begin, expr.end]
    });
}


const insertOrUpdate = (formEL : FormInstance|undefined)=>{
    // console.log("insertOrUpdate");
    if(!formEL){
        return;
    }
    // 先校验表单的格式
    formEL.validate(async (valid)=>{
        if(valid){
            // 校验通过
            let res = null;
            let insertFlag = null;
            if(insertOrUpdateForm.value.id){//修改
                insertFlag = false;
                res = await updateEmp(insertOrUpdateForm.value);   
            }else{// 新增
                insertFlag = true;
                res = await addEmp(insertOrUpdateForm.value);
            }
            if(!res.code){
                ElMessage.error(res.msg);
            }else{
                // 隐藏dialog
                dialogFormVisible.value = false;
                // 清空dialog，通过dialog的回调统一处理
                ElMessage({type: 'success',message: insertFlag?'添加成功':'修改成功',})
                query();
            }
        }
    });
    
}

const handleDelete = (idx:number, row:EmpModel)=>{
    ElMessageBox.confirm(
    '您确认删除此数据吗?',
    '确认删除',
    {
      confirmButtonText: '确认',
      cancelButtonText: '取消',
      type: 'warning',
    }
  ).then(async () => {
        // 发删除请求
        const res =  await deleteEmpByIds(''+row.id);
        if(!res.data.code){
            ElMessage({type: 'error',message: res.data.msg,}) 
        }else{
            ElMessage({type: 'success',message: '删除成功'}) 
            // 刷新页面
            query();
        }
    })
    .catch(() => {
      ElMessage({
        type: 'info',
        message: '取消删除',
      })
    })
}
// 保存所有选中的行的id
const selectIds = ref<number[]>([])
// 入参：是所有的选中的行的数据的数组
const handleSelectionChange = (rows:EmpModelArray) => {
    if(!rows || rows.length <= 0){
        selectIds.value=[]
    }else{
        for(let i=0; i<rows.length;i++){
            selectIds.value.push(rows[i].id!);
        }
    }
}
const batchDelete = ()=>{
    // 先判断seleectIds是否有值
    if(!selectIds.value || selectIds.value.length <= 0){
        ElMessage({type: 'error',message: '没有选中任何数据'}) 
        return;
    }
    ElMessageBox.confirm('您确认删除这些数据吗?','确认删除',{confirmButtonText: '确认',cancelButtonText: '取消',type: 'warning',})
    .then(async () => {
        // 发删除请求
        const res =  await deleteEmpByIds(""+selectIds.value);
        if(!res.data.code){
            ElMessage({type: 'error',message: res.data.msg,}) 
        }else{
            ElMessage({type: 'success',message: '删除成功'}) 
            // 刷新页面
            query();
            // 重置selectIds
            selectIds.value = []
        }
    }).catch(() => {
      ElMessage({type: 'info',message: '取消删除'})
    })
}

// 文件上传
// 上传成功以后的回调
const handleAvatarSuccess: UploadProps['onSuccess'] = (
  response,
  uploadFile
) => {
  // 解析服务端返回的url地址
  insertOrUpdateForm.value.image = response.data;
}
// 上传之前的校验
const beforeAvatarUpload: UploadProps['beforeUpload'] = (rawFile) => {
  if (rawFile.type !== 'image/jpeg' && rawFile.type !== 'image/png') {
    ElMessage.error('文件类型必须是jpg或者jpeg或者png')
    return false
  } else if (rawFile.size / 1024 / 1024 > 2) {
    ElMessage.error('文件大小不能超过2MB!')
    return false
  }
  return true
}
//  工作经历
const addExpr= ()=>{
    // console.log("添加工作经历");
    insertOrUpdateForm.value.exprList.push({
        exprDate: [],
        begin: '',
        end: '',
        company: '',
        job: ''
    });
}
const deleteExpr=(expr:EmpExprModel)=>{
    if(!insertOrUpdateForm){
        return;
    }
    let exprList = insertOrUpdateForm.value.exprList
    if(!exprList || exprList.length <= 0){
        return;
    }
    // 找expr在列表中的索引
    let pos = exprList.indexOf(expr);
    if(pos < 0){
        return;
    }
    // 按索引来删除1个元素
    exprList.splice(pos, 1)
}
watch(insertOrUpdateForm, (newValue, oldValue)=>{
    let exprList = newValue.exprList;
    if(!exprList || exprList.length <= 0){
        return;
    }
    for(let i=0; i<exprList.length; i++){
        let expr = exprList[i];
        if(!expr.exprDate || expr.exprDate.length <= 0){
            expr.begin='';
            expr.end = '';
        }else{
            expr.begin=expr.exprDate[0];
            expr.end = expr.exprDate[1];
        }
    }
    // console.log("exprList", exprList);
},{deep:true});
// 表单校验
const rules = ref<FormRules<EmpModel>>({
  username: [
    { required: true, message: '用户名不能为空', trigger: 'blur' },
    { min: 2, max: 10, message: '用户名长度在2-10个字之间', trigger: 'blur' },
  ],
 name:[
    { required: true, message: '用户姓名不能为空', trigger: 'blur' },
    { min: 2, max: 10, message: '用户姓名长度在2-10个字之间', trigger: 'blur' },
  ],
  gender:[
    { required: true, message: '性别不能为空', trigger: 'blur' }
  ],
  phone:[
    { required: true, message: '手机号不能为空', trigger: 'blur' },
    { pattern:/^1[3-9][0-9]{9}$/ , message: '手机号格式有误', trigger: 'blur' },
  ],
  salary:[
    { pattern:/^[1-9]\d*$/ , message: '薪水格式有误', trigger: 'blur' },
  ],
})
const dialogFromRef = ref<FormInstance>();

// dialog关闭的时候自动回调
function dialogClose(){
    insertOrUpdateForm.value = 
    {
        username:'',
        name:'',
        gender:'',
        phone:'',
        salary:'',
        entryDate:'',
        deptId:'',
        job:'',
        exprList:[]
    }
   // 重置form校验规则
   // formRef.value.resetFields();
}


// watch
// 监听一个简单类型的变量
// const username = ref('')
// watch(username, (newValue, oldValue)=>{
//     console.log("newValue:", newValue, "oldValue:", oldValue);
// });
// 监听一个对象类型的属性
// watch(()=>searchForm.value.date, (newValue, oldValue)=>{
//     console.log("newValue:", newValue);
// });
// 监听完整对象
// watch(searchForm, (newValue, oldValue)=>{
//     console.log("newValue:", newValue);
// }, {deep: true});

</script>

<template>
<span class="title">员工管理  <!--<input type="text" v-model="username" />--> </span>

<!----------------------------------搜索框-------------------------------------->
<el-form :inline="true" :model="searchForm" class="demo-form-inline">
    <el-form-item label="姓名">
      <el-input v-model="searchForm.name" placeholder="请输入员工姓名" style="width:200px" clearable />
    </el-form-item>
    <el-form-item label="性别">
      <el-select v-model="searchForm.gender" placeholder="请选择" style="width:200px" clearable>
        <el-option label="男" value="1" />
        <el-option label="女" value="2" />
        <el-option label="其他" value="3" />
      </el-select>
    </el-form-item>
    <el-form-item label="入职时间">
        <el-date-picker
            v-model="searchForm.date"
            value-format="YYYY-MM-DD"
            type="daterange"
            range-separator="至"
            start-placeholder="开始时间"
            end-placeholder="结束时间"/>
    </el-form-item>
    <el-form-item>
      <el-button type="primary" @click="query">查询</el-button>
      <el-button type="primary" @click="clear">清空</el-button>
    </el-form-item>
  </el-form>

  <el-button type="primary" @click="openAddDialog">+ 新增员工</el-button>
  <el-button type="danger"  @click="batchDelete">- 批量删除</el-button>

 <!-----------------------页面主体的数据列表-------------------------------->
 <el-table :data="empList" border style="width: 100%; margin-top:10px" @selection-change="handleSelectionChange">
    <el-table-column type="selection" width="50" />
    <el-table-column prop="name" label="姓名" width="130" align="center"/>
    <el-table-column prop="gender" label="性别" width="100" align="center">
        <template #default="scope">
            <span v-if="scope.row.gender == 1">男</span>
            <span v-else-if="scope.row.gender == 2">女</span>
            <span v-else>其他</span>
        </template>
    </el-table-column>
    <el-table-column prop="image" label="头像" width="180" align="center">
        <template #default="scope">
            <img :src="scope.row.image" width="50px"/>
        </template>
    </el-table-column>
    <el-table-column prop="deptName" label="所属部门" width="180" align="center" />
    <el-table-column prop="job" label="职位" width="100" align="center">
        <template #default="scope">
            <span v-if="scope.row.job == 1">班主任</span>
            <span v-else-if="scope.row.job == 2">讲师</span>
            <span v-else>其他</span>
        </template>
    </el-table-column>
    <el-table-column prop="entryDate" label="入职时间" width="130" align="center"/>
    <el-table-column prop="updateTime" label="最后修改时间" width="180" align="center"/>
    <el-table-column  label="操作" align="center">
        <template #default="scope">
            <el-button size="small" type="primary"  @click="handleEdit(scope.$index, scope.row)">
            编辑
            </el-button>
            <el-button size="small" type="danger" @click="handleDelete(scope.$index, scope.row)">
            删除
            </el-button>
      </template>
    </el-table-column>
  </el-table>

  <!----------------------------------分页组件---------------------------------------->
  <el-pagination
      v-model:current-page="currentPage"
      v-model:page-size="pageSize"
      :page-sizes="[5, 10, 20, 30, 40]"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total"
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      style="margin-top:10px"
  />
  <!----------------------------------dialog弹框-------------------------------------->
  <el-dialog v-model="dialogFormVisible" :title="dialogTitle" width="700"  @close="dialogClose">
    <el-form :model="insertOrUpdateForm" ref="dialogFromRef" :rules="rules">
        <el-row>
            <el-col :span="12">
                <el-form-item label="用户名" :label-width="formLabelWidth" prop="username" >
                    <el-input v-model="insertOrUpdateForm.username" autocomplete="off" clearable />
                </el-form-item>
            </el-col>
            <el-col :span="12">
                <el-form-item label="姓名" :label-width="formLabelWidth" class="required-label"  prop="name">
                    <el-input v-model="insertOrUpdateForm.name" autocomplete="off" clearable />
                </el-form-item>
            </el-col>
        </el-row>

        <el-row>
            <el-col :span="12">
                <el-form-item label="性别" :label-width="formLabelWidth" required prop="gender">
                    <el-select v-model="insertOrUpdateForm.gender" placeholder="请选择" style="width: 100%">
                        <el-option  
                        :label="gender.name"  
                        :value="gender.id" 
                        v-for="(gender, index) in genderList" :key="gender.id"/>
                        <!-- <el-option label="男"  value="1"/>
                        <el-option label="女"  value="2"/>
                        <el-option label="其他"  value="3"/> -->
                    </el-select>
                </el-form-item>
            </el-col>
            <el-col :span="12">
                <el-form-item label="手机号" :label-width="formLabelWidth" class="required-label" prop="phone">
                    <el-input v-model="insertOrUpdateForm.phone" autocomplete="off" clearable />
                </el-form-item>
            </el-col>
        </el-row>

        <el-row>
            <el-col :span="12">
                <el-form-item label="薪资" :label-width="formLabelWidth" prop="salary">
                    <el-input v-model="insertOrUpdateForm.salary" autocomplete="off" clearable />
                </el-form-item>
            </el-col>
            <el-col :span="12">
                <el-form-item label="入职日期" :label-width="formLabelWidth" style="width:100%">
                    <el-date-picker
                        style="width:100%"
                        v-model="insertOrUpdateForm.entryDate"
                        type="date"
                        value-format="YYYY-MM-DD"
                        placeholder="选择入职日期" />
                </el-form-item>
            </el-col>
        </el-row>

        <el-row>
            <el-col :span="12">
                <el-form-item label="所属部门" :label-width="formLabelWidth">
                    <el-select v-model="insertOrUpdateForm.deptId" placeholder="请选择" style="width: 100%">
                        <el-option  
                        :label="dept.name"  
                        :value="dept.id" 
                        v-for="(dept, index) in deptList" :key="dept.id"/>
                    </el-select>
                </el-form-item>
            </el-col>
            <el-col :span="12">
                <el-form-item label="职位" :label-width="formLabelWidth" >
                    <el-select v-model="insertOrUpdateForm.job" placeholder="请选择" style="width: 100%">
                        <el-option  
                        :label="job.name"  
                        :value="job.id" 
                        v-for="(job, index) in jobList" :key="job.id"/>
                        <!-- <el-option label="班主任"  value="1"/>
                        <el-option label="讲师"  value="2"/>
                        <el-option label="其他"  value="3"/> -->
                    </el-select>
                </el-form-item>
            </el-col>
        </el-row>

        <el-row>
            <el-col :span="24">
                <el-form-item label="头像" :label-width="formLabelWidth">
                    <el-upload
                        :headers="{'token': loginInfo.token}"
                        class="avatar-uploader"
                        action="/api/upload"
                        :on-success="handleAvatarSuccess"
                        :before-upload="beforeAvatarUpload">
                        <img v-if="insertOrUpdateForm.image" :src="insertOrUpdateForm.image" class="avatar" />
                        <el-icon v-else class="avatar-uploader-icon"><Plus /></el-icon>
                    </el-upload>
                </el-form-item>
            </el-col>
        </el-row>

        <el-row>
            <el-col :span="24">
                <el-form-item label="工作经历" :label-width="formLabelWidth">
                    <el-button type="success" size="small" @click="addExpr">+ 添加工作经历</el-button>
                </el-form-item>
            </el-col>
        </el-row>

        <el-row :gutter="10" v-for="(expr, index) in insertOrUpdateForm.exprList" >
            <el-col :span="10">
                <el-form-item label="时间" style="padding-left:20px" size="small" >
                    <el-date-picker
                        value-format="YYYY-MM-DD"
                        type="daterange"
                        range-separator="至"
                        start-placeholder="开始时间"
                        end-placeholder="结束时间"
                        v-model="expr.exprDate" />
                </el-form-item>
            </el-col>
            <el-col :span="6">
                <el-form-item label="公司" size="small" >
                    <el-input  autocomplete="off" v-model="expr.company" clearable />
                </el-form-item>
            </el-col>
            <el-col :span="6">
                <el-form-item label="职位" size="small" >
                    <el-input autocomplete="off" v-model="expr.job"  clearable  />
                </el-form-item>
            </el-col>
            <el-col :span="2">
                <el-form-item size="small" >
                    <el-button type="danger" @click="deleteExpr(expr)">- 删除</el-button>
                </el-form-item >
            </el-col>
        </el-row>
    </el-form>
    <template #footer>
      <div class="dialog-footer">
        <el-button @click="dialogFormVisible = false">取消</el-button>
        <el-button type="primary" @click="insertOrUpdate(dialogFromRef)">保存</el-button>
      </div>
    </template>
  </el-dialog>

</template>

<style scope>
.title{
    font-size: 20px;
    font-weight: 600;
}
.demo-form-inline{
    margin-top:10px
}
.required-label .el-form-item__label:before {
  content: '*';
  color: red;
  margin-right: 2px; 
}

.avatar-uploader .avatar {
  width: 80px;
  height: 80px;
  display: block;
}

</style>


<style>
.avatar-uploader .el-upload {
  border: 1px dashed var(--el-border-color);
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--el-transition-duration-fast);
}

.avatar-uploader .el-upload:hover {
  border-color: var(--el-color-primary);
}

.el-icon.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 80px;
  height: 80px;
  text-align: center;
}
</style>